Oxygen pressure reducing gauge with remaining use time display and alarm function

Abstract

The utility model relates to an oxygen pressure reducing gauge, especially an oxygen pressure reducing gauge with remaining use time display and alarm function. Including connecting pipe, pressure relief valve, rotating handle, support frame, touch -control display screen, battery cabin, control panel, pressure differential flow sensor A, pressure differential flow sensor B and alarm lamp, the right end of connecting pipe is connected with pressure relief valve, and the front end of pressure relief valve rotatably connects with rotating handle, and the front end of connecting pipe is connected with support frame, and the top of support frame is equipped with alarm lamp, and the front end of support frame is equipped with touch -control display screen, and the inner back wall left side of support frame is connected with control panel, and the inner back wall right side of support frame is equipped with battery cabin, and the inner back wall of support frame is equipped with pressure differential flow sensor B and pressure differential flow sensor A left and right symmetry. The utility model directly connects with oxygen steel cylinder, and the right end is connected with pressure reducing valve, and the remaining available time of oxygen steel is calculated by monitoring cylinder pressure and flow.

Description

TECHNICAL FIELD

[0001] The utility model relates to an oxygen pressure reducing gauge, especially an oxygen pressure reducing gauge with remaining use time display and alarm function. BACKGROUND

[0002] Oxygen cylinders, also known as oxygen bottles or oxygen tanks, are designed specifically for storing high-pressure oxygen. They are made of high-strength steel to safely withstand internal gas pressure and ensure reliable storage and transportation. To facilitate and ensure safe use, modern oxygen cylinders are usually equipped with pressure-reducing valves and pressure gauges to regulate the output pressure and monitor the remaining pressure in the cylinder.

[0003] When medical staff use oxygen cylinders, they rely on the cylinder's capacity and pressure gauge readings to estimate the available time of the oxygen cylinder through manual conversion. However, this manual conversion method is not only not intuitive, but also prone to calculation errors, especially for beginners. When the available time of the oxygen cylinder is calculated incorrectly, it can have a serious impact on patient treatment and even pose potential risks. SUMMARY

[0004] To overcome the shortcomings of the existing oxygen cylinder available time calculation, which relies on manual conversion by medical staff, this method is not intuitive and is prone to calculation errors. The purpose of the present utility model is to provide an oxygen pressure reducing gauge with remaining use time display and alarm function.

[0005] An oxygen pressure reducing gauge with remaining use time display and alarm function, comprising a connecting pipe, a pressure relief valve, a rotating handle, a support frame, a touch display screen, a battery compartment, a control panel, a differential pressure flow sensor A, a differential pressure flow sensor B, a blocking block, a loudspeaker and an alarm lamp, the right end of the connecting pipe is connected with the pressure relief valve, the front end of the pressure relief valve is rotatably connected with the rotating handle, the front end of the connecting pipe is connected with the support frame, the top end of the support frame is provided with the alarm lamp, the front end of the support frame is provided with the touch display screen, the inner back wall left side of the support frame is connected with the control panel, the inner back wall right side of the support frame is provided with the battery compartment, the top end of the battery compartment is provided with the loudspeaker, the inner back wall of the support frame is provided with the differential pressure flow sensor B and the differential pressure flow sensor A symmetrically, the probes of the differential pressure flow sensor B and the differential pressure flow sensor A are all inserted into the connecting pipe, the connecting pipe is provided with the blocking block, the alarm lamp, the loudspeaker, the differential pressure flow sensor A, the differential pressure flow sensor B and the touch display screen are all electrically connected with the control panel.

[0006] Further, the connecting pipe is a tee pipe, the long straight pipe part is a thin-walled pipe, the short straight pipe part is a thick-walled pipe, the thick-walled pipe is provided with detection channels symmetrically on the left and right sides, and the two detection channels are in communication with the thin-walled pipe.

[0007] Further, the sealing ring is arranged on the differential pressure flow sensor B and the differential pressure flow sensor A, and the front end of the sealing ring is arranged in the support frame and the rear end is arranged in the connecting pipe.

[0008] Further, the connecting pipe is provided with the connecting head and the rubber ring, and the connecting head is arranged at the left end of the connecting pipe and is provided with the rubber ring.

[0009] Further, the rubber sleeve is arranged on the outer side of the rotating handle.

[0010] Further, the blocking block is a hollow thick-walled pipe, and the inner walls of the left and right ends of the blocking block are provided with annular inclined surfaces, the front end of the blocking block is provided with a circular hole, the circular hole is communicated with the right detection channel, and the blocking block is located at the right side of the left detection channel.

[0011] The beneficial effects of the present application are as follows: 1. The present application is directly connected with an oxygen cylinder, and the right end is provided with a pressure reducing valve. The remaining available time of the oxygen cylinder can be calculated by monitoring the pressure and flow of the cylinder, and the remaining available time of the oxygen cylinder can be directly observed on the touch display screen, which is intuitive and visual.

[0012] 2. When the pressure is lower than the alarm pressure, the device will control the loudspeaker and the alarm lamp to issue sound and light alarm, prompting the user to replace in time. DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application.

[0014] Figure 2 It is a schematic diagram of the three-dimensional structure of the control panel and the battery compartment and other components of the present application.

[0015] Figure 3 It is a schematic diagram of the three-dimensional structure of the sealing ring and other components of the present application.

[0016] Figure 4 It is a sectional view of the connecting pipe of the present application.

[0017] Markings in the drawings: 1: connecting pipe, 101: thick-walled pipe, 102: thin-walled pipe, 103: detection channel, 104: connecting head, 2: pressure relief valve, 201: rubber sleeve, 202: rotating handle, 3: support frame, 4: touch display screen, 5: battery compartment, 6: control panel, 7: differential pressure flow sensor A, 8: differential pressure flow sensor B, 9: sealing ring, 10: rubber ring, 11: blocking block, 111: inclined surface, 12: loudspeaker, 13: alarm lamp. DETAILED DESCRIPTION

[0018] The utility model will be described further below in combination with specific embodiments, the illustrative embodiments of the utility model and the utility model are explained, but not as the limitation of the utility model.

[0019] An oxygen pressure-reducing gauge with residual use time display and alarm function, like Figures 1-4As shown, including connecting pipe 1, pressure relief valve 2, rubber sleeve 201, rotating handle 202, support frame 3, touch display screen 4, battery compartment 5, control panel 6, differential pressure flow sensor A 7, differential pressure flow sensor B 8, blocking block 11, speaker 12 and alarm lamp 13, connecting pipe 1 is a three-way pipe, the long straight pipe part is a thin-walled pipe 102, the short straight pipe part is a thick-walled pipe 101, the thick-walled pipe 101 is provided with two symmetrical detection channels 103 on the left and right sides, both detection channels 103 are communicated with the thin-walled pipe 102, the right end of the connecting pipe 1 is connected with the pressure relief valve 2, the front end of the pressure relief valve 2 is rotatably connected with the rotating handle 202, when the oxygen pressure reducing gauge is connected with the oxygen cylinder, by selecting the rotating handle 202, the safety limit value of the oxygen cylinder can be set, when the pressure in the oxygen cylinder exceeds the set safety limit value, the pressure relief valve 2 is automatically opened, the excess pressure in the oxygen cylinder is released, thereby preventing the oxygen cylinder from exploding or other dangerous situations due to excessive internal pressure, the outside of the rotating handle 202 is sleeved with the rubber sleeve 201, the rubber sleeve 201 not only improves the hand feeling and comfort of the medical workers during operation, but also increases the friction, so that the rotation of the rotating handle 202 is more easy and stable, the front end of the connecting pipe 1 is connected with the support frame 3, the top end of the support frame 3 is provided with the alarm lamp 13, the front end of the support frame 3 is provided with the touch display screen 4, the alarm pressure can be set on the touch display screen 4, when the pressure in the oxygen cylinder is less than or equal to the alarm pressure, the alarm lamp 13 will issue a light alarm, which is used to remind the medical workers to replace the oxygen cylinder, the left side of the inner back wall of the support frame 3 is connected with the control panel 6, the right side of the inner back wall of the support frame 3 is provided with the battery compartment 5, the battery can be installed at the battery compartment 5, the top end of the battery compartment 5 is provided with the speaker 12, when the alarm lamp 13 works, the speaker 12 will also issue a sound alarm, reminding the medical workers that the oxygen in the oxygen cylinder is about to be exhausted, the differential pressure flow sensor B 8 and the differential pressure flow sensor A 7 are symmetrically arranged on the inner back wall of the support frame 3, the differential pressure flow sensor B 8 is used to detect the pressure in the connecting pipe 1 and transmit the pressure data to the control panel 6, the probes of the differential pressure flow sensor B 8 and the differential pressure flow sensor A 7 are inserted into the connecting pipe 1, the connecting pipe 1 is provided with the blocking block 11, when the oxygen flows through the connecting pipe 1, the pressure at the right end of the blocking block 11 is different from the pressure in the blocking block 11, the blocking block 11 is a hollow thick-walled pipe, the inner walls of the left and right ends of the blocking block 11 are both provided with annular inclined surfaces 111, when the oxygen flows through the blocking block 11, the design of the annular inclined surfaces 111 reduces the resistance of the blocking block 11 to the oxygen, the front end of the blocking block 11 is provided with a circular hole, the circular hole is communicated with the right detection channel 103, the blocking block 11 is located at the right side of the left detection channel 103, the differential pressure flow sensor A 7 is used to detect the pressure in the blocking block 11 and transmit the pressure data to the control panel 6, the alarm lamp 13, the speaker 12, the differential pressure flow sensor A 7, the differential pressure flow sensor B 8 and the touch display screen 4 are electrically connected with the control panel 6.

[0020] AsFigure 3 As shown in the drawings, it also comprises a sealing ring 9, which is sleeved on the differential pressure flow sensor B8 and the differential pressure flow sensor A7, the front end of the sealing ring 9 is located in the support frame 3, and the rear end is located in the connecting pipe 1, so that the sealing ring 9 can prevent oxygen leakage at the detection channel 103.

[0021] As shown in the drawings, it also comprises a sealing ring 9, which is sleeved on the differential pressure flow sensor B8 and the differential pressure flow sensor A7, the front end of the sealing ring 9 is located in the support frame 3, and the rear end is located in the connecting pipe 1, so that the sealing ring 9 can prevent oxygen leakage at the detection channel 103. Figure 1 As shown in the drawings, it also comprises a sealing ring 9, which is sleeved on the differential pressure flow sensor B8 and the differential pressure flow sensor A7, the front end of the sealing ring 9 is located in the support frame 3, and the rear end is located in the connecting pipe 1, so that the sealing ring 9 can prevent oxygen leakage at the detection channel 103. Figure 4 As shown in the drawings, it also comprises a sealing ring 9, which is sleeved on the differential pressure flow sensor B8 and the differential pressure flow sensor A7, the front end of the sealing ring 9 is located in the support frame 3, and the rear end is located in the connecting pipe 1, so that the sealing ring 9 can prevent oxygen leakage at the detection channel 103.

[0022] Before using the oxygen pressure reducing meter, the battery should be loaded in the battery cabin 5, so that the device can work normally, and the oxygen pressure reducing meter is connected to the oxygen cylinder, the alarm pressure is set on the touch display screen 4, the capacity of the oxygen cylinder is input, the oxygen cylinder is opened, the oxygen in the oxygen cylinder enters the connecting pipe 1, passes through the blocking block 11 to the pressure relief valve 2, and is then output from the pressure relief valve 2, when the oxygen flows through the blocking block 11, because the inner diameter of the thin-walled pipe 102 is larger than that of the blocking block 11, the flow rate of the oxygen will increase when it flows through the blocking block 11, the pressure at the blocking block 11 will change (the pressure at the blocking block 11 is inconsistent with the pressure in the thin-walled pipe 102 at the right end of the blocking block 11), the differential pressure flow sensor A7 detects the pressure at the blocking block 11, and then transmits the measured data to the control panel 6, the differential pressure flow sensor B8 detects the pressure in the thin-walled pipe 102 at the right end of the blocking block 11, and then transmits the measured data to the control panel 6, the control panel 6 receives the pressure Pa from the differential pressure flow sensor A7 and the pressure Pb from the differential pressure flow sensor B8, and performs necessary calculation and signal processing (according to Bernoulli equation: Q = K (Pa-Pb) 1 / 2 , Q: oxygen flow rate, K: factor), and the obtained result of the oxygen flow rate Q is displayed on the touch display screen 4, the remaining available time (in minutes) is calculated by monitoring the cylinder pressure Pb (from the differential pressure flow sensor B8) and the oxygen flow rate Q, and the calculation formula is: (monitoring pressure value-alarm pressure value) * oxygen cylinder capacity / monitoring flow rate (monitoring flow rate: oxygen flow rate) (unit: pressure value MPa, cylinder capacity L, flow rate L / min), the remaining available time of the oxygen cylinder is displayed on the touch display screen 4, when the pressure is lower than the alarm pressure, the device controls the sound 12 and the alarm lamp 13 to issue sound and light alarms, prompting medical staff to replace the oxygen cylinder in time, and the control panel 6 can monitor the battery capacity in the battery cabin 5, and the remaining amount of the battery capacity is displayed on the touch display screen 4, so that medical staff can observe the remaining amount of the battery capacity on the touch display screen 4 and charge the device in time.

[0023] The application is described in detail above, and the principles and implementation modes of the application are described by applying specific examples. The above description of the examples is only used to help understand the method of the application and its core idea; meanwhile, for those skilled in the art, according to the idea of the application, the specific implementation modes and application ranges will have changes, and the above description should not be understood as a limitation on the application.

Claims

1. An oxygen reducing pressure gauge with remaining use time display and alarm function, comprising a connecting pipe (1), characterized in that: The utility model also includes pressure relief valve (2), rotary handle (202), support frame (3), touch display screen (4), battery cabin (5), control panel (6), differential pressure flow sensor A (7), differential pressure flow sensor B (8), blocking block (11), loudspeaker (12) and alarm light (13), the right end of connecting pipe (1) is connected with pressure relief valve (2), the front end of pressure relief valve (2) is rotatably connected with rotary handle (202), the front end of connecting pipe (1) is connected with support frame (3), the top of support frame (3) is equipped with alarm light (13), the front end of support frame (3) is equipped with touch display screen (4), the inner back wall left side of support frame (3) is connected with control panel (6), the inner back wall right side of support frame (3) is equipped with battery cabin (5), the top of battery cabin (5) is equipped with loudspeaker (12), the inner back wall of support frame (3) is provided with differential pressure flow sensor B (8) and differential pressure flow sensor A (7) left and right symmetry, the probe of differential pressure flow sensor B (8) and differential pressure flow sensor A (7) all extends into connecting pipe (1), connecting pipe (1) is equipped with blocking block (11), alarm light (13), loudspeaker (12), differential pressure flow sensor A (7), differential pressure flow sensor B (8), touch display screen (4) all are electrically connected with control panel (6).

2. The oxygen reducing pressure gauge with the display and alarm function of the residual service time according to claim 1, characterized in that: Connecting pipe (1) is a tee pipe, the long straight pipe part is thin-walled pipe (102), the short straight pipe part is thick-walled pipe (101), thick-walled pipe (101) is provided with detection path (103) left and right sides symmetry, two detection paths (103) all are communicated with thin-walled pipe (102).

3. The oxygen reducing pressure gauge with the display and alarm function of the residual service time according to claim 2, characterized in that: The utility model also includes sealing ring (9), differential pressure flow sensor B (8) and differential pressure flow sensor A (7) all are sleeved with sealing ring (9), the front end part of sealing ring (9) is located in support frame (3), and the rear end part is located in connecting pipe (1).

4. The oxygen reducing pressure gauge with the display and alarm function of the residual service time according to claim 3, characterized in that: The utility model also includes connecting head (104) and rubber ring (10), the left end of connecting pipe (1) is connected with connecting head (104), and connecting head (104) is equipped with rubber ring (10) in.

5. The oxygen reducing pressure regulator with the display and alarm of the remaining time of use according to claim 4, characterized in that: The utility model also includes rubber sleeve (201), and the outside of rotary handle (202) is sleeved with rubber sleeve (201).

6. The oxygen reducing pressure gauge with the display and alarm function of the residual service time according to claim 5, characterized in that: The blocking block (11) is a hollow thick-walled circular tube, and annular inclined surfaces (111) are arranged on the inner walls of the left and right ends of the blocking block (11), a circular hole is arranged at the front end of the blocking block (11), the circular hole is communicated with the right detection path (103), and the blocking block (11) is located at the right side of the left detection path (103).

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